Static task
static1
Behavioral task
behavioral1
Sample
cleanmgr.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
cleanmgr.exe
Resource
win10v2004-20230703-en
General
-
Target
cleanmgr.exe
-
Size
216KB
-
MD5
fc13869b5250959618fa81b9aaa2bdf8
-
SHA1
a87d781671f3da5c553d5ae3ac6cba5eb0d1b442
-
SHA256
1bdab94440132410d1ab623ded8f2427b34c233a063a150617af271b9394025b
-
SHA512
071a19bacf5311b9b09e2362cb3eff2894cc790fae5f450419b5c8750d650e035d991a188d1f679a6e8ebf430b90c1272807fa7136c6afa1282c14484b810723
-
SSDEEP
3072:99eq+KCx3PwALkqnAEPGRvQhRkKqUa9antF5hvvJkuXpe:9NCBkqAE+ohSKq99UF5hvv/
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource cleanmgr.exe
Files
-
cleanmgr.exe.exe windows x64
7584fa8dce2f762ee14571e18b3b4f97
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LARGE_ADDRESS_AWARE
Imports
gdi32
ExtTextOutW
GetLayout
GetTextExtentPoint32W
SetBkMode
SetTextColor
SetBkColor
user32
GetSysColor
SetFocus
EndDialog
DialogBoxParamW
DestroyWindow
CreateDialogParamW
IsDialogMessageW
GetMessageW
DestroyIcon
LoadIconW
GetWindowLongPtrW
EnableWindow
GetSystemMetrics
GetClientRect
SetDlgItemTextW
GetParent
SendDlgItemMessageW
SetWindowLongPtrW
GetDlgItem
SendMessageW
ShowWindow
MessageBoxW
LoadStringW
EnumWindows
DrawIconEx
DrawFocusRect
GetWindowLongW
PostMessageW
TranslateMessage
GetWindowTextW
SetForegroundWindow
DispatchMessageW
msvcrt
memcpy_s
memset
_vsnwprintf
toupper
?terminate@@YAXXZ
_onexit
__dllonexit
_unlock
_lock
_commode
_fmode
__C_specific_handler
_initterm
__setusermatherr
_cexit
_exit
exit
__set_app_type
__getmainargs
_amsg_exit
_XcptFilter
_wcsicmp
sqrt
comctl32
ImageList_ReplaceIcon
CreatePropertySheetPageW
PropertySheetW
ImageList_Create
ord17
ord345
shell32
ExtractIconExW
SHGetFileInfoW
ShellExecuteExW
ord680
shlwapi
PathStripToRootW
SHDeleteKeyW
ord487
StrFormatByteSizeW
ord271
StrCmpW
StrToIntW
StrStrIW
StrCmpNW
api-ms-win-core-libraryloader-l1-2-0
LoadLibraryExW
FreeLibrary
GetModuleFileNameW
GetProcAddress
GetModuleFileNameA
GetModuleHandleExW
GetModuleHandleW
api-ms-win-core-localization-l1-2-0
FormatMessageW
api-ms-win-core-processthreads-l1-1-0
GetCurrentProcessId
TerminateProcess
GetCurrentProcess
CreateThread
GetCurrentThreadId
api-ms-win-core-heap-l1-1-0
GetProcessHeap
HeapSetInformation
HeapFree
HeapAlloc
api-ms-win-core-debug-l1-1-0
OutputDebugStringW
IsDebuggerPresent
DebugBreak
api-ms-win-core-errorhandling-l1-1-0
SetLastError
SetUnhandledExceptionFilter
GetLastError
UnhandledExceptionFilter
SetErrorMode
api-ms-win-core-handle-l1-1-0
CloseHandle
api-ms-win-core-synch-l1-1-0
CreateMutexExW
ReleaseSemaphore
OpenSemaphoreW
CreateSemaphoreExW
WaitForSingleObjectEx
SetEvent
ReleaseMutex
CreateEventW
WaitForSingleObject
api-ms-win-core-com-l1-1-0
CLSIDFromString
CoCreateInstance
CoTaskMemAlloc
CoTaskMemFree
CoUninitialize
CoInitializeEx
api-ms-win-core-sysinfo-l1-1-0
GetSystemTime
GetWindowsDirectoryW
GetTickCount
GetSystemTimeAsFileTime
api-ms-win-core-heap-l2-1-0
LocalAlloc
LocalFree
api-ms-win-core-file-l1-1-0
GetDriveTypeW
GetDiskFreeSpaceW
GetDiskFreeSpaceExW
GetVolumeInformationW
api-ms-win-core-processenvironment-l1-1-0
GetCommandLineW
api-ms-win-eventing-provider-l1-1-0
EventSetInformation
EventUnregister
EventRegister
EventActivityIdControl
EventWriteTransfer
api-ms-win-core-string-l1-1-0
WideCharToMultiByte
api-ms-win-core-file-l1-2-0
GetVolumeNameForVolumeMountPointW
api-ms-win-core-synch-l1-2-0
Sleep
InitOnceComplete
InitOnceBeginInitialize
api-ms-win-core-registry-l1-1-0
RegEnumKeyExW
RegQueryValueExW
RegCloseKey
RegSetValueExW
RegOpenKeyExW
RegGetValueW
oleaut32
VariantInit
SysStringLen
VariantClear
api-ms-win-core-timezone-l1-1-0
SystemTimeToFileTime
api-ms-win-core-rtlsupport-l1-1-0
RtlVirtualUnwind
RtlLookupFunctionEntry
RtlCaptureContext
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
kernel32
lstrlenW
CheckElevationEnabled
GetStartupInfoA
MulDiv
ntdll
RtlNtStatusToDosError
NtOpenThreadToken
NtClose
NtQueryInformationToken
NtOpenProcessToken
ole32
CoInitialize
vssapi
CreateVssBackupComponentsInternal
VssFreeSnapshotPropertiesInternal
Sections
.text Size: 36KB - Virtual size: 36KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 14KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.pdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 162KB - Virtual size: 161KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 72B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ